Tractor Segment:
Utility tractor, mid-size agricultural applications.
Competitors:
John Deere 50 Series, International Harvester 350 Utility, Fordson Major.
Power Take Off:
Standard PTO for powering implements.
Traction Assist:
Differential lock for enhanced traction in difficult conditions.
Hydraulic Lift:
Category 1, three-point hitch with hydraulic lift.
Engine Systems:
Engine overhaul, carburetor, ignition system, lubrication, cooling, starting system, charging system.
Powertrain:
Clutch, transmission (gearbox, differential), power take-off (PTO).
Steering And Brakes:
Steering mechanism, braking system (mechanical). Including adjustments and component replacement.
Hydraulics:
Hydraulic pump, control valve, cylinders, reservoir, and associated plumbing for implement control.
Electrical And Ignition:
Wiring diagrams, starter, generator, battery, ignition coil, distributor, lights.
Diagnostic Procedures:
Step-by-step troubleshooting guides for common malfunctions and performance issues.
Repair Procedures:
Detailed instructions for disassembly, inspection, repair, and reassembly of all major components.
Maintenance Procedures:
Scheduled maintenance tasks, lubrication points, and adjustment procedures.
Alignment And Calibration:
Procedures for steering alignment, brake adjustments, and hydraulic system calibration.
Component Replacement:
Instructions for replacing common wear items like spark plugs, filters, belts, and bearings.
Depth:
Comprehensive, covering detailed overhaul and repair, suitable for mechanics and experienced owners.
Diagnostic Capability:
Includes diagnostic charts and symptom-based troubleshooting.
Specifications Detail:
Provides critical torque values, clearances, and performance specifications.
Searchability:
Text-searchable for quick information retrieval.
Resolution:
High resolution for clear diagrams and text.
Scalability:
Scalable for detailed viewing of technical illustrations.
Binding:
Not applicable (Digital PDF)
Paper Type:
Not applicable (Digital PDF)
Engine Manufacturer:
Allis-Chalmers
Engine Model:
G-149 (Gasoline)
Engine Type:
Inline 4-cylinder, L-head gasoline engine
Displacement:
149 cubic inches (2.45 Liters)
Horsepower Rated:
Approximately 34 PTO HP / 30 Drawbar HP
Torque Peak:
Not explicitly stated, but designed for consistent pulling power.
Carburetor:
Marvel-Schebler / Zenith (specific model varies)
Fuel Tank Capacity:
12 Gallons
Ignition Type:
Distributor-based ignition system.
Cooling Method:
Liquid-cooled
Radiator Capacity:
Approx. 8 Quarts
Oil Capacity:
5 Quarts (with filter)
Oil Type Specification:
Refer to manual for specific viscosity grades based on ambient temperature (e.g., SAE 10W-30, SAE 20W-40).
Transmission Type:
Constant mesh, sliding gear transmission
Gear Speeds:
5 Forward speeds, 1 Reverse speed
Overdrive Unit:
Optional 'Hi-Lo' transmission or shuttle shift available on some models/configurations, consult manual for specifics.
Clutch Type:
Single plate, dry clutch
Rear Axle Type:
Spur gear final drive with differential lock
Transmission Fluid Type:
Refer to manual for specific lubricant (typically gear oil).
Length:
Approx. 115 inches (292 cm)
Width At Rear Wheels:
Adjustable, typically 58-72 inches (147-183 cm)
Height To Exhaust Stack:
Approx. 58 inches (147 cm)
Shipping Weight:
Approx. 2,900 lbs (1315 kg)
Operating Weight:
Varies with configuration, around 3,100 - 3,300 lbs (1400 - 1500 kg)
Wheelbase:
Approx. 76 inches (193 cm)
Ground Clearance:
Approx. 14-16 inches (35-40 cm) depending on tire size.
Safety Certification:
Pre-dates modern tractor safety certification standards (ROPS not standard).
Braking System:
Mechanical drum brakes on rear wheels.
Traction Control:
Differential lock provides enhanced traction and stability.
Operator Station:
Open operator station, operator presence lever for PTO/hydraulics.
Lighting:
Standard headlights, optional rear work lights.
Engine Oil Change:
Every 50 operating hours or annually, whichever comes first.
Oil Filter Replacement:
Replace with every oil change.
Air Filter Cleaning:
Clean every 50 operating hours, replace as needed.
Spark Plug Maintenance:
Check and clean/gap every 100 operating hours, replace as needed.
Transmission Fluid Change:
Refer to manual, typically every 500-1000 operating hours or annually. Check level frequently.
Engine Oil Grade:
API Service Classification SC or SD, viscosity SAE 30 or 10W-30 (refer to manual for ambient temp chart).
Coolant Type:
Mixture of ethylene glycol antifreeze and water (50/50 ratio).
Hydraulic Fluid Type:
Refer to manual, typically Allis-Chalmers HD Hydraulic Oil or equivalent ISO VG 32-46 tractor hydraulic fluid.
Carburetor Tuning:
Carburetors can be prone to wear and require periodic adjustment or rebuilding for smooth operation.
Ignition System Reliability:
Points and condenser in distributor may require cleaning and adjustment. Coil or spark plug wires can degrade.
Hydraulic System Leaks:
Age can lead to seal wear in hydraulic pump, cylinders, and hoses, causing leaks or reduced lift capacity.
Clutch Wear:
Clutch disc wear is a common maintenance item on older tractors, affecting engagement.
Electrical Connections:
Corroded or loose electrical connections can lead to starting issues or intermittent component failure.
Manufacturer History:
Allis-Chalmers was a prominent American manufacturer of agricultural and construction machinery, known for its innovative spirit and distinctive orange color scheme.
Development Context:
The D-14 was part of Allis-Chalmers' post-WWII tractor line, designed to offer improved power and features over earlier models, targeting medium-sized farms.
Production Years:
Approximately 1957-1960
Manufacturing Location:
West Allis, Wisconsin, USA
